mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#ifndef PSX_TEXTURE_IMAGE_DECODE_H
|
|
#define PSX_TEXTURE_IMAGE_DECODE_H
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
enum class TextureImageFormat { Png, Jpeg, WebP };
|
|
|
|
struct TextureImageProbe {
|
|
uint32_t width = 0;
|
|
uint32_t height = 0;
|
|
TextureImageFormat format = TextureImageFormat::Png;
|
|
};
|
|
|
|
struct DecodedTextureImage {
|
|
uint32_t width = 0;
|
|
uint32_t height = 0;
|
|
std::vector<uint8_t> rgba;
|
|
};
|
|
|
|
constexpr size_t TEXTURE_IMAGE_MAX_ENCODED_BYTES = 64u * 1024u * 1024u;
|
|
constexpr size_t TEXTURE_IMAGE_DEFAULT_DECODED_BUDGET = 64u * 1024u * 1024u;
|
|
constexpr uint32_t TEXTURE_IMAGE_MAX_DIMENSION = 8192;
|
|
|
|
// Encoded bytes are supplied by the caller: these helpers perform no I/O.
|
|
// Limits are checked before allocating decoded pixels. RGBA alpha is retained
|
|
// verbatim; the texture renderer separately classifies PSX transparency.
|
|
bool texture_image_probe(const uint8_t* encoded, size_t encoded_size,
|
|
size_t decoded_budget, TextureImageProbe& probe,
|
|
std::string& error);
|
|
bool texture_image_decode(const uint8_t* encoded, size_t encoded_size,
|
|
size_t decoded_budget, DecodedTextureImage& image,
|
|
std::string& error);
|
|
|
|
#endif
|